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Vinegar contains 5.0g of acetic acid in 100mL of water. What is the pH of vinegar?
A sample of nitrogen gas that occupies a volume of 31.2 L at a temperature of 0 oC and a pressure of 1 atm contains , answer in moles of gas please.
NaOH is added to 625 mL of 0.250 M weak acid (Ka = 5.62 × 10-5). What is the pH of the resulting buffer?
Consider the oxidation of sodium metal to sodium oxide described by the balanced equation
It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration).
Give the repeating unit of the polymers prepared by ADMET polymerization
The rate constant for the first-order conversion of A to B is 3.33hr-1. How much time will be required for the concentration of A to reach 75% of its original value?
Draw the correct structure for (3S,4S)-3,4-dimethylhexane. Show stereochemistry clearly. To ensure proper grading, explicitly draw all four groups, including wedge/dash bonds
You and a classmate were each given a yellow unknown with a melting point of 110 degrees Celsius. You both ran a TLC on it using ethyl acetate solvent as the mobile phase.
the iron oxide reacts to form water vapor and Fe(s) but the aluminum oxide remains unreacted. if the residue following heating weighs 1.596g, determine the weight percent of iron oxide in the original mixture.
What is the percentage of (R)-phenylalanine present in this mixture? d. What is the percentage of (S)-phenylalanine present in this mixture?
Why is molarity not the best means of stating acid strength? Is molarity the most representative form of quantifying acids and bases?
Explain why bromination of cyclohexene produce trans 1,2-dibromocyclohexane
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